Suren Baghdasaryan 47a92dfbe0 lib: prevent module unloading if memory is not freed ...

Skip freeing module's data section if there are non-zero allocation tags
because otherwise, once these allocations are freed, the access to their
code tag would cause UAF.

Link: https://lkml.kernel.org/r/20240321163705.3067592-13-surenb@google.com
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Tested-by: Kees Cook <keescook@chromium.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Alex Gaynor <alex.gaynor@gmail.com>
Cc: Alice Ryhl <aliceryhl@google.com>
Cc: Andreas Hindborg <a.hindborg@samsung.com>
Cc: Benno Lossin <benno.lossin@proton.me>
Cc: "Björn Roy Baron" <bjorn3_gh@protonmail.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Dennis Zhou <dennis@kernel.org>
Cc: Gary Guo <gary@garyguo.net>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Wedson Almeida Filho <wedsonaf@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

2024-04-25 20:55:52 -07:00

..

bpf

mm: memcg: add NULL check to obj_cgroup_put()

2024-04-25 20:55:43 -07:00

cgroup

Merge tag 'net-next-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

2024-03-12 17:44:08 -07:00

configs

Merge tag 'net-next-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

2024-03-12 17:44:08 -07:00

debug

kdb: Fix a potential buffer overflow in kdb_local()

2024-01-17 17:19:06 +00:00

dma

swiotlb: do not set total_used to 0 in swiotlb_create_debugfs_files()

2024-04-02 17:08:09 +02:00

entry

entry: Respect changes to system call number by trace_sys_enter()

2024-03-12 13:23:32 +01:00

events

Merge tag 'mm-stable-2024-03-13-20-04' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2024-03-14 17:43:30 -07:00

futex

futex: Prevent the reuse of stale pi_state

2024-01-19 12:58:17 +01:00

gcov

gcov: annotate struct gcov_iterator with __counted_by

2023-10-18 14:43:22 -07:00

irq

genirq: Introduce IRQF_COND_ONESHOT and use it in pinctrl-amd

2024-03-25 23:45:21 +01:00

kcsan

mm: delete checks for xor_unlock_is_negative_byte()

2023-10-18 14:34:17 -07:00

livepatch

livepatch: Fix missing newline character in klp_resolve_symbols()

2023-09-20 11:24:18 +02:00

locking

locking/rtmutex: Use try_cmpxchg_relaxed() in mark_rt_mutex_waiters()

2024-03-01 13:02:05 +01:00

module

lib: prevent module unloading if memory is not freed

2024-04-25 20:55:52 -07:00

power

PM: s2idle: Make sure CPUs will wakeup directly on resume

2024-04-08 15:36:54 +02:00

printk

Merge tag 'printk-for-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

2024-03-26 09:25:57 -07:00

rcu

Merge branches 'rcu-doc.2024.02.14a', 'rcu-nocb.2024.02.14a', 'rcu-exp.2024.02.14a', 'rcu-tasks.2024.02.26a' and 'rcu-misc.2024.02.14a' into rcu.2024.02.26a

2024-02-26 17:37:25 -08:00

sched

Merge tag 'riscv-for-linus-6.9-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

2024-03-22 10:41:13 -07:00

time

timekeeping: Use READ/WRITE_ONCE() for tick_do_timer_cpu

2024-04-10 10:13:42 +02:00

trace

ring-buffer: Only update pages_touched when a new page is touched

2024-04-11 17:49:57 -04:00

.gitignore

…

acct.c

fs: rename __mnt_{want,drop}_write*() helpers

2023-09-11 15:05:50 +02:00

async.c

async: Use a dedicated unbound workqueue with raised min_active

2024-02-09 11:13:59 -10:00

audit_fsnotify.c

…

audit_tree.c

Merge tag 'mm-nonmm-stable-2023-11-02-14-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2023-11-02 20:53:31 -10:00

audit_watch.c

audit: don't WARN_ON_ONCE(!current->mm) in audit_exe_compare()

2023-11-14 17:34:27 -05:00

audit.c

audit: use KMEM_CACHE() instead of kmem_cache_create()

2024-01-25 10:12:22 -05:00

audit.h

audit: correct audit_filter_inodes() definition

2023-07-21 12:17:25 -04:00

auditfilter.c

audit: remove unnecessary assignment in audit_dupe_lsm_field()

2024-01-25 09:59:27 -05:00

auditsc.c

audit,io_uring: io_uring openat triggers audit reference count underflow

2023-10-13 18:34:46 +02:00

backtracetest.c

backtracetest: Convert from tasklet to BH workqueue

2024-02-05 13:22:34 -10:00

bounds.c

bounds: support non-power-of-two CONFIG_NR_CPUS

2024-02-22 15:38:51 -08:00

capability.c

lsm: constify the 'target' parameter in security_capget()

2023-08-08 16:48:47 -04:00

cfi.c

…

compat.c

sched_getaffinity: don't assume 'cpumask_size()' is fully initialized

2023-03-14 19:32:38 -07:00

configs.c

…

context_tracking.c

context_tracking: Fix kerneldoc headers for __ct_user_{enter,exit}()

2024-02-14 07:53:50 -08:00

cpu_pm.c

…

cpu.c

x86/cpu: Actually turn off mitigations by default for SPECULATION_MITIGATIONS=n

2024-04-10 16:22:47 +02:00

crash_core.c

crash: split crash dumping code out from kexec_core.c

2024-02-23 17:48:22 -08:00

crash_reserve.c

crash: use macro to add crashk_res into iomem early for specific arch

2024-03-26 11:14:12 -07:00

cred.c

cred: Use KMEM_CACHE() instead of kmem_cache_create()

2024-02-23 17:33:31 -05:00

delayacct.c

delayacct: track delays from IRQ/SOFTIRQ

2023-04-18 16:39:34 -07:00

dma.c

…

elfcorehdr.c

crash: remove dependency of FA_DUMP on CRASH_DUMP

2024-02-23 17:48:22 -08:00

exec_domain.c

…

exit.c

Merge tag 'vfs-6.9.pidfd' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

2024-03-11 10:21:06 -07:00

exit.h

exit: add internal include file with helpers

2023-09-21 12:03:50 -06:00

extable.c

…

fail_function.c

…

fork.c

fork: defer linking file vma until vma is fully initialized

2024-04-16 15:39:51 -07:00

freezer.c

Merge tag 'v6.7-rc6' into sched/core, to pick up fixes

2023-12-23 15:52:13 +01:00

gen_kheaders.sh

Revert "kheaders: substituting --sort in archive creation"

2023-05-28 16:20:21 +09:00

groups.c

groups: Convert group_info.usage to refcount_t

2023-09-29 11:28:39 -07:00

hung_task.c

kernel/hung_task.c: export sysctl_hung_task_timeout_secs

2024-03-13 21:22:04 -04:00

iomem.c

kernel/iomem.c: remove __weak ioremap_cache helper

2023-08-21 13:37:28 -07:00

irq_work.c

trace: Add trace_ipi_send_cpu()

2023-03-24 11:01:29 +01:00

jump_label.c

…

kallsyms_internal.h

…

kallsyms_selftest.c

mm/vmalloc: remove vmap_area_list

2024-02-23 17:48:19 -08:00

kallsyms_selftest.h

…

kallsyms.c

kallsyms: Change func signature for cleanup_symbol_name()

2023-08-25 15:00:36 -07:00

kcmp.c

file: convert to SLAB_TYPESAFE_BY_RCU

2023-10-19 11:02:48 +02:00

Kconfig.freezer

…

Kconfig.hz

…

Kconfig.kexec

crash: clean up kdump related config items

2024-02-23 17:48:22 -08:00

Kconfig.locks

…

Kconfig.preempt

…

kcov.c

kcov: add prototypes for helper functions

2023-06-09 17:44:17 -07:00

kexec_core.c

Merge tag 'mm-nonmm-stable-2024-03-14-09-36' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2024-03-14 18:03:09 -07:00

kexec_elf.c

…

kexec_file.c

arm64, crash: wrap crash dumping code into crash related ifdefs

2024-02-23 17:48:23 -08:00

kexec_internal.h

crash: remove dependency of FA_DUMP on CRASH_DUMP

2024-02-23 17:48:22 -08:00

kexec.c

crash: split crash dumping code out from kexec_core.c

2024-02-23 17:48:22 -08:00

kheaders.c

kheaders: Use array declaration instead of char

2023-03-24 20:10:59 -07:00

kprobes.c

kprobes: Fix possible use-after-free issue on kprobe registration

2024-04-10 23:35:51 +09:00

ksyms_common.c

kallsyms: make kallsyms_show_value() as generic function

2023-06-08 12:27:20 -07:00

ksysfs.c

Merge tag 'driver-core-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

2024-03-21 13:34:15 -07:00

kthread.c

Merge tag 'mm-nonmm-stable-2023-11-02-14-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2023-11-02 20:53:31 -10:00

latencytop.c

…

Makefile

crash: split crash dumping code out from kexec_core.c

2024-02-23 17:48:22 -08:00

module_signature.c

…

notifier.c

notifiers: add tracepoints to the notifiers infrastructure

2023-04-08 13:45:38 -07:00

nsproxy.c

pidfd: add pidfs

2024-03-01 12:23:37 +01:00

numa.c

kernel/numa.c: Move logging out of numa.h

2023-12-20 19:26:30 -05:00

padata.c

Author: Gang Li padata: dispatch works on

2024-03-06 13:04:17 -08:00

panic.c

Merge tag 'mm-nonmm-stable-2024-03-14-09-36' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2024-03-14 18:03:09 -07:00

params.c

params: Fix multi-line comment style

2023-12-01 09:51:44 -08:00

pid_namespace.c

wait: Remove uapi header file from main header file

2023-12-20 19:26:31 -05:00

pid_sysctl.h

memfd: replace ratcheting feature from vm.memfd_noexec with hierarchy

2023-08-21 13:37:59 -07:00

pid.c

pidfs: remove config option

2024-03-13 12:53:53 -07:00

profile.c

…

ptrace.c

ptrace_attach: shift send(SIGSTOP) into ptrace_set_stopped()

2024-02-22 15:38:52 -08:00

range.c

…

reboot.c

Merge tag 'thermal-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

2024-01-09 16:20:17 -08:00

regset.c

…

relay.c

kernel: relay: remove relay_file_splice_read dead code, doesn't work

2023-12-29 12:22:27 -08:00

resource_kunit.c

…

resource.c

Merge tag 'mm-nonmm-stable-2024-01-09-10-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2024-01-09 11:46:20 -08:00

rseq.c

…

scftorture.c

scftorture: Pause testing after memory-allocation failure

2023-07-14 15:02:57 -07:00

scs.c

…

seccomp.c

file: remove __receive_fd()

2023-12-12 14:24:14 +01:00

signal.c

Merge tag 'mm-nonmm-stable-2024-03-14-09-36' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2024-03-14 18:03:09 -07:00

smp.c

Merge tag 'csd-lock.2023.10.23a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu

2023-10-30 17:56:53 -10:00

smpboot.c

kthread: add kthread_stop_put

2023-10-04 10:41:57 -07:00

smpboot.h

…

softirq.c

workqueue: Drain BH work items on hot-unplugged CPUs

2024-02-29 11:51:24 -10:00

stackleak.c

stackleak: allow to specify arch specific stackleak poison function

2023-04-20 11:36:35 +02:00

stacktrace.c

stacktrace: fix kernel-doc typo

2023-12-29 12:22:29 -08:00

static_call_inline.c

…

static_call.c

…

stop_machine.c

…

sys_ni.c

Merge tag 'lsm-pr-20240105' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm

2024-01-09 12:57:46 -08:00

sys.c

prctl: generalize PR_SET_MDWE support check to be per-arch

2024-03-26 11:07:22 -07:00

sysctl-test.c

…

sysctl.c

tracing: Support to dump instance traces by ftrace_dump_on_oops

2024-03-18 10:33:06 -04:00

task_work.c

task_work: add kerneldoc annotation for 'data' argument

2023-09-19 13:21:32 -07:00

taskstats.c

taskstats: fill_stats_for_tgid: use for_each_thread()

2023-10-04 10:41:57 -07:00

torture.c

torture: Print out torture module parameters

2023-09-24 17:24:01 +02:00

tracepoint.c

tracepoint: Allow livepatch module add trace event

2023-02-18 14:34:36 -05:00

tsacct.c

…

ucount.c

sysctl: Add size to register_sysctl

2023-08-15 15:26:17 -07:00

uid16.c

…

uid16.h

…

umh.c

sysctl: fix unused proc_cap_handler() function warning

2023-06-29 15:19:43 -07:00

up.c

smp: Change function signatures to use call_single_data_t

2023-09-13 14:59:24 +02:00

user_namespace.c

user_namespace: remove unnecessary NULL values from kbuf

2024-02-22 15:38:52 -08:00

user-return-notifier.c

…

user.c

binfmt_misc: enable sandboxed mounts

2023-10-11 08:46:01 -07:00

usermode_driver.c

…

utsname_sysctl.c

utsname: simplify one-level sysctl registration for uts_kern_table

2023-04-13 11:49:35 -07:00

utsname.c

…

vhost_task.c

vhost: Fix worker hangs due to missed wake up calls

2023-06-08 15:43:09 -04:00

vmcore_info.c

mm: turn folio_test_hugetlb into a PageType

2024-04-24 19:34:26 -07:00

watch_queue.c

watch_queue: fix kcalloc() arguments order

2023-12-21 13:17:54 +01:00

watchdog_buddy.c

watchdog/hardlockup: move SMP barriers from common code to buddy code

2023-06-19 16:25:28 -07:00

watchdog_perf.c

watchdog/perf: add a weak function for an arch to detect if perf can use NMIs

2023-06-09 17:44:21 -07:00

watchdog.c

watchdog/core: remove sysctl handlers from public header

2024-03-12 13:09:23 -07:00

workqueue_internal.h

workqueue: Drop the special locking rule for worker->flags and worker_pool->flags

2023-08-07 15:57:22 -10:00

workqueue.c

Merge tag 'driver-core-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

2024-03-21 13:34:15 -07:00